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Manipal MET2017PhysicsNuclear Physics

The half-life period of radium is 1600 yr . The fraction of a sample of radium that would remain after 6400 yr is

Options

  1. A1 4
  2. B1 2
  3. C1 8
  4. D1 16

Correct answer

D. 1 16

Step-by-step solution

aligned & Fraction = N N₀ & = ( 1 2 )^ 6400 1600 = ( 1 2 )^4= 1 16 aligned

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